Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Bearings - Inspection
    NOTE: If any of the following conditions exist, install a new bearing. 1. Inspect the bearing for a bent cage. 2. Inspect bearings for galling (metal smears on roller ends). Galling is caused by overheating, poor lubrication or an overload situatio ...

    Pilot Bearing
    Special Tool(s) Puller with Slide Hammer 308-001 (T58L-101-B) 1. Remove the clutch disc and the clutch pressure plate. For additional information, refer to Disc and Pressure Plate-3.8L and 4.6L (2V) Engines or Disc and Pressure Plate-4.6L (4V ...

    Mass Air Flow (MAF) Sensor - 3.8L
    Removal CAUTION: The mass air flow (MAF) sensor hot wire sensing element and housing are calibrated as a unit and must be repaired as a complete assembly. Do not damage the sensing element (internal to housing) or possible failure to the mass air f ...